EstimateKit helps small HVAC contractors create professional estimates 90% faster than Excel. Built by an HVAC contractor who was tired of: - Spending 2+ hours per estimate - Losing deals to slow quotes - Unprofessional-looking PDFs Features: ✓ 100+ pre-loaded HVAC materials ✓ Auto-calculates tonnage from square footage ✓ Professional PDF generation ✓ Mobile-friendly (quote on-site) ✓ Cloud storage Perfect for small HVAC shops (1-10 employees) who want to estimate faster and win more jobs.